[INTERNAL] sap.m.Panel: Remove tooltip from icon
[INTERNAL] sap.m.Panel: Remove tooltip from icon

BCP: 1570533203
Change-Id: I8050559760a1b99de216478dcd7b0649ce0afcd6
Signed-off-by: Deyan Yanakiev <2614bfd3515c6c39ab25ed6159ddb09df1e2cc71@sap.com>

SAP/openui5,olirogers/openui5,SAP/openui5,SQCLabs/openui5,SQCLabs/openui5,SAP/openui5,olirogers/openui5,cschuff/openui5,nzamani/openui5,nzamani/openui5,olirogers/openui5,cschuff/openui5,SAP/openui5,cschuff/openui5,SQCLabs/openui5,nzamani/openui5